1love Search & Replace

Search and Replace any text or code, case sensitive or insensitively, in a file, a directory or a whole site. Creates backups of any changed files and features options to exclude file types/names, prompt for confirmation/cancel and undo. Very simple to configure & install, a single file requiring only path info for home, host & backups, and that working directory & file
permissions be rw- (read-writeable) by php.